> Dan Muey wrote: > > > > I've made a funtion to calculate the Fresnal zone for wireless > > connections. > > > > What I'd like to do is generate an image based on that. > Something like > > the example at: http://ydi.com/calculation/fresnel-zone.php > > > > However the two connected points are rarely going to be at the same > > level so I'd need to draw the elipse At an angle instead of > > horizontally. > > > > GD's elipse or arc function will probably do what I want > but it seems > > all I can specify are the center point and width and height. > > > > Is there a way to also specify the x/y of each point on the > left and > > right side of the elipse? > > > > Make sense? > > Yes, but you're out of luck I'm afraid Dan. The best I can > suggest is that you use the 'filledPolygon' method and do the > maths yourself. (Sorry, that's 'math' over there isn't it.)
Where is your "over there" in relation to my "over hear" (St. Louis , MO USA)? I'm doing all the math(s) :), I'm only seeing a way to draw the elipse or arc with a horizontal and vertical orientation only. I'll test some things out a bit more and show the group what's happening and have some url's. > > Cheers, > > Rob -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
